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Lockheed Martin: Making a Horizontal Sundial
A website with directions on how to build a sundial for the Northern Hemisphere and information on how a sundial works. Includes three skill levels of construction.
Harvard University
University of Harvard: This Is a Stickup!
Students are taught how to make a sundial. The relationship between angles and the sides of a right triangle are explored. Great lesson plan ideas with plenty of background information. The lesson is adapted for grade levels k-6 with...